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china latest news about Coating performance test - determination of microhardness of coatings

Coating performance test - determination of microhardness of coatings

September 13, 2023

Hardness is one of the important mechanical properties of coatings. The hardness of the coating is determined by the crystal structure of the coating metal. In order to eliminate the influence of the base material on the coating and the limitation of the indentation size caused by the thickness of ...
china latest news about Coating performance test - determination of porosity

Coating performance test - determination of porosity

September 12, 2023

The pores of the coating refer to the small pores from the surface of the coating to the base metal. The size of the pores affects the protective ability of the coating. Methods for measuring pores include filtering method, paste method, dipping method, etc. Filter paper pasting method: Paste the ...
china latest news about Coating performance test - measurement of electroplated layer thickness

Coating performance test - measurement of electroplated layer thickness

September 11, 2023

The measurement methods of electroplating layer thickness include destructive detection methods and non-destructive detection methods. Among them, there are many destructive detection methods such as droplet method, liquid flow method, dissolution method, electrostatic method and metallographic ...
china latest news about Coating performance test - binding force test

Coating performance test - binding force test

September 9, 2023

Coating bonding strength refers to the bonding strength between the coating and the base metal, that is, the force required to peel off the coating from the base metal per unit area. The poor bonding strength of the coating is mostly caused by poor external treatment before plating. In addition, the ...
china latest news about Coating performance test - electroplating layer appearance inspection

Coating performance test - electroplating layer appearance inspection

September 8, 2023

The appearance inspection of the electroplating layer of metal parts is the most basic and most commonly used inspection method. Plated parts with unqualified appearance do not need to be tested for other items. Visual observation is used during inspection. According to appearance, plated parts can ...
china latest news about Other electroplating

Other electroplating

September 7, 2023

Copper plating: the copper plating layer is pink, soft, has good ductility, electrical conductivity and thermal conductivity, and is easy to polish. After proper chemical treatment, decorative colors such as bronze, copper green, black and natural colors can be obtained. Copper plating is easy to ...
china latest news about Chrome - chrome plated anode

Chrome - chrome plated anode

September 6, 2023

Different from general electroplating, chromium plating uses insoluble anodes such as lead and lead alloys. This is determined by the particularity of the chromium plating process. 1. If chromium is used as anode in chromium plating, the anode current efficiency is close to 100%, and the high ...
china latest news about Chrome - types of chrome plating

Chrome - types of chrome plating

September 5, 2023

Decorative chrome plating is the most widely used chrome plating process. The characteristics of decorative chrome plating are: 1. The plating layer is required to be bright. 2. The covering ability of the plating solution should be good, and the main surface of the part should be covered with ...
china latest news about Chrome

Chrome

September 4, 2023

Chromium is a silvery white metal with a slight sky blue tinge. Although the electrode potential is very negative, it has a strong passivation performance, and it is quickly passivated in the atmosphere, showing the properties of noble metals, so the chrome-plated layer of iron parts is the cathode ...
china latest news about Nickel plated - citrate nickel plating

Nickel plated - citrate nickel plating

September 1, 2023

The citrate nickel plating process is mainly used for the electroplating of zinc die castings. The main maintenance measures are: control the ratio of nickel sulfate to citrate at 1:1.1~~1.2, the temperature should not be too high to prevent the decomposition of citrate, strictly control the pH ...
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